Germany to phase out nuclear power by 2022

Having learned its' lessons from the nuclear crisis in Japan, Germany, the' largest economy in Europe, has decided' to phase out nuke power by 2022. What would be the economic consequences of this decision ? Does the benefit, in all its forms, of this decision outweight its cost ? Meanwhile, the nuclear crisis in Japan is still being observed and also studied for lessons by many governments, experts, NGO's and people.